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from __future__ import absolute_import
from __future__ import division
from __future__ import print_function
from __future__ import unicode_literals
import os
import sys
import difflib
if sys.version_info.major < 3:
import __builtin__ as builtins
else:
import builtins
path = os.getenv('UNINSTALLED_INTROSPECTION_SRCDIR', None)
assert path is not None
sys.path.insert(0, path)
# Not correct, but enough to get the tests going uninstalled
builtins.__dict__['DATADIR'] = path
from giscanner.annotationparser import GtkDocCommentBlockParser
from giscanner.ast import Include, Namespace
from giscanner.introspectablepass import IntrospectablePass
from giscanner.maintransformer import MainTransformer
from giscanner.message import MessageLogger, WARNING, ERROR, FATAL
from giscanner.sourcescanner import SourceScanner
from giscanner.transformer import Transformer
from giscanner.scannermain import process_packages
currentdir = os.path.dirname(os.path.abspath(sys.argv[0]))
current_name = os.path.basename(currentdir)
path = os.path.abspath(os.path.join(currentdir, '..', ''))
top_srcdir = os.environ['UNINSTALLED_INTROSPECTION_SRCDIR']
top_builddir = os.environ['TOP_BUILDDIR']
class ChunkedIO(object):
def __init__(self):
self.buffer = []
def write(self, s):
self.buffer.append(s)
def getvalue(self):
return self.buffer
class Options:
def __init__(self):
self.cpp_includes = []
self.cpp_defines = []
self.cpp_undefines = []
self.library_paths = []
def _diff(a, b):
retval = ''
started = False
for group in difflib.SequenceMatcher(None, a, b).get_grouped_opcodes(3):
if not started:
started = True
retval += '--- expected\n'
retval += '+++ emitted\n'
for tag, i1, i2, j1, j2 in group:
if tag == 'equal':
for line in a[i1:i2]:
for l in line.split('\n'):
retval += ' ' + l + '\n'
continue
if tag in ('replace', 'delete'):
for line in a[i1:i2]:
for l in line.split('\n'):
retval += '-' + l + '\n'
if tag in ('replace', 'insert'):
for line in b[j1:j2]:
for l in line.split('\n'):
retval += '+' + l + '\n'
return retval
def _extract_expected(filename):
fd = open(filename, 'rU')
data = fd.read()
fd.close()
retval = []
for line in data.split('\n'):
if line.startswith('// EXPECT:'):
retval.append(line[10:] + '\n')
elif line.startswith('//+'):
retval[-1] += line[3:] + '\n'
return retval
def check(args):
filename = args[0]
output = ChunkedIO()
namespace = Namespace('Test', '1.0')
logger = MessageLogger.get(namespace=namespace, output=output)
logger.enable_warnings((WARNING, ERROR, FATAL))
transformer = Transformer(namespace)
transformer.set_include_paths([
os.path.join(top_srcdir, 'gir'),
top_builddir,
os.path.join(top_builddir, 'gir'),
])
transformer.register_include(Include.from_string('GObject-2.0'))
ss = SourceScanner()
options = Options()
exit_code = process_packages(options, ['gobject-2.0'])
if exit_code:
sys.exit(exit_code)
ss.set_cpp_options(options.cpp_includes, options.cpp_defines, options.cpp_undefines)
ss.parse_files([filename])
ss.parse_macros([filename])
transformer.parse(ss.get_symbols())
cbp = GtkDocCommentBlockParser()
blocks = cbp.parse_comment_blocks(ss.get_comments())
main = MainTransformer(transformer, blocks)
main.transform()
final = IntrospectablePass(transformer, blocks)
final.validate()
emitted_warnings = [w[w.find(':') + 1:] for w in output.getvalue()]
expected_warnings = _extract_expected(filename)
sortkey = lambda x: int(x.split(':')[0])
expected_warnings.sort(key=sortkey)
emitted_warnings.sort(key=sortkey)
if len(expected_warnings) != len(emitted_warnings):
raise SystemExit("ERROR in '%s': %d warnings were emitted, "
"expected %d:\n%s" % (os.path.basename(filename),
len(emitted_warnings),
len(expected_warnings),
_diff(expected_warnings, emitted_warnings)))
for emitted_warning, expected_warning in zip(emitted_warnings, expected_warnings):
if expected_warning != emitted_warning:
raise SystemExit("ERROR in '%s': expected warning does not match emitted "
"warning:\n%s" % (filename,
_diff([expected_warning], [emitted_warning])))
sys.exit(check(sys.argv[1:]))
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